[main] Update dependencies from dotnet/source-build-externals

[dotnet-maestro[bot]]

This pull request updates the following dependencies

From https://github.com/dotnet/source-build-externals

• Subscription: 86950fd0-829d-4c2e-7e88-08db4ca58899

• Build: 20240528.2

• Date Produced: May 28, 2024 2:07:16 PM UTC

• Commit: f1b44a365df0b8dbc38403ee8696adc25fbdd76a

• Branch: refs/heads/main

• Updates:

  • Microsoft.SourceBuild.Intermediate.source-build-externals: from 9.0.0-alpha.1.24263.2 to 9.0.0-alpha.1.24278.2